43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
|
|
* Header file for hardcoded AAC tables
|
|
*
|
|
* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVCODEC_AAC_TABLEGEN_H
|
|
#define AVCODEC_AAC_TABLEGEN_H
|
|
|
|
#include "aac_tablegen_decl.h"
|
|
|
|
#if CONFIG_HARDCODED_TABLES
|
|
#include "libavcodec/aac_tables.h"
|
|
#else
|
|
#include "libavutil/mathematics.h"
|
|
float ff_aac_pow2sf_tab[428];
|
|
|
|
av_cold void ff_aac_tableinit(void)
|
|
{
|
|
int i;
|
|
for (i = 0; i < 428; i++)
|
|
ff_aac_pow2sf_tab[i] = pow(2, (i - POW_SF2_ZERO) / 4.0);
|
|
}
|
|
#endif /* CONFIG_HARDCODED_TABLES */
|
|
|
|
#endif /* AVCODEC_AAC_TABLEGEN_H */
|